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-rw-r--r--include/uapi/linux/fs.h6
1 files changed, 5 insertions, 1 deletions
diff --git a/include/uapi/linux/fs.h b/include/uapi/linux/fs.h
index 4199f8acbce5..d2a8313fabd7 100644
--- a/include/uapi/linux/fs.h
+++ b/include/uapi/linux/fs.h
@@ -377,7 +377,11 @@ typedef int __bitwise __kernel_rwf_t;
/* per-IO, return -EAGAIN if operation would block */
#define RWF_NOWAIT ((__force __kernel_rwf_t)0x00000008)
+/* per-IO O_APPEND */
+#define RWF_APPEND ((__force __kernel_rwf_t)0x00000010)
+
/* mask of flags supported by the kernel */
-#define RWF_SUPPORTED (RWF_HIPRI | RWF_DSYNC | RWF_SYNC | RWF_NOWAIT)
+#define RWF_SUPPORTED (RWF_HIPRI | RWF_DSYNC | RWF_SYNC | RWF_NOWAIT |\
+ RWF_APPEND)
#endif /* _UAPI_LINUX_FS_H */